DS21458-W+ Maxim Integrated, DS21458-W+ Datasheet - Page 13
DS21458-W+
Manufacturer Part Number
DS21458-W+
Description
Network Controller & Processor ICs
Manufacturer
Maxim Integrated
Datasheet
1.DS21458-W.pdf
(269 pages)
Specifications of DS21458-W+
Product
Framer
Number Of Transceivers
4
Data Rate
64 Kbps
Supply Current (max)
328 mA
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Package / Case
CSBGA
Minimum Operating Temperature
0 C
Operating Supply Voltage
3.3 V
Supply Voltage - Max
3.465 V
Supply Voltage - Min
3.135 V
Part # Aliases
90-21458+W00
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2.6 System Interface
2.7 HDLC Controllers
2.8 Test and Diagnostics
Dual two-frame, independent receive and transmit elastic stores
Supports T1 to E1 conversion
Ability to pass the T1 F-bit position through the elastic stores in the 2.048MHz backplane mode
Programmable output clocks for fractional T1, E1, H0, and H12 applications
Interleaving PCM bus operation with rates of 4.096MHz, 8.192MHz, and 16.384MHz
Hardware-signaling capability
Access to the data streams in between the framer/formatter and the elastic stores (DS21455)
User-selectable synthesized clock output
Two independent HDLC controllers
Fast load and unload features for FIFOs
SS7 support for FISU transmit and receive
Independent 128-byte Rx and Tx buffers with interrupt support
Access FDL, Sa, or single/multiple DS0 channels
DS0 access includes Nx64 or Nx56
Compatible with polled or interrupt-driven environments
Programmable Bit Error Rate Testing (BERT)
Pseudorandom patterns including QRSS
User-defined repetitive patterns
Daly pattern
Error insertion for single bit or continuous
Insertion options include continuous and absolute number with selectable insertion rates
Total-bit and errored-bit counters
Payload Error Insertion
Errors can be inserted over the entire frame or selected channels
F-bit corruption for line testing
Independent control and clocking
Controlled-slip capability with status
Minimum-delay mode supported
Receive-signaling reinsertion to a backplane, multiframe sync
Availability of signaling in a separate PCM data stream
Signaling freezing
Bit Oriented Code (BOC) support
Loopbacks (remote, local, analog, and per-channel payload loopback)
13 of 269
DS21455/DS21458 Quad T1/E1/J1 Transceivers
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